figura

//kreirati apstraktnu klasu figura, i iz nje izvesti klase trougao i pravougaonik
//iz trougla izvesti jednakostranicni, iz pravougaonika kvadrat

#ifndef FIGURA_DEF
#define FIGURA_DEF
#include <math.h>
#include <iostream>
using namespace std;

class Figura{
    private:
        static int count;
        static int id;
    public:
        Figura() {count++;}
        ~Figura(){count--;}
        virtual double getO()const = 0;
        virtual double getP()const = 0;
        virtual int getId()const {return id;}
        virtual int getCount()const {return count;}
};

class Trougao: public Figura {
    private:
        static int count;
        static int id;
        double a,b,c;
    public:
        Trougao() {a=3; b=4; c=5; count++;}
        Trougao(double aa=3,double bb=4, double cc=5) {a=aa;b=bb;c=cc; count++;}
        Trougao(const Trougao &tr) {a=tr.a; b=tr.b; c=tr.c; count++;}
        ~Trougao(){count--;}
        double getA()const {return a;}
        double getB()const {return b;}
        double getC()const {return c;}
        int getId()const {return id;}
        int getCount()const {return count;}
        double getO()const{return a+b+c;}
        double getP()const{double s=(a+b+c)/2; return sqrt(s* (s-a)*(s-b)*(s-c) );}
};

class Jednakostranicni: public Trougao{
    private:
        static int count;
        static int id;
    public:
        Jednakostranicni(): Trougao(1,1,1) {count++;}
        Jednakostranicni(double aa=3): Trougao(aa,aa,aa) {count++;}
        Jednakostranicni(const Jednakostranicni &jst): Trougao((Trougao)jst) {count++;}
        ~Jednakostranicni(){count--;}
        int getId()const {return id;}
        int getCount()const {return count;}
};

class Pravougaonik: public Figura{
        private:
            static int count;
            static int id;
            double a,b;
        public:
            Pravougaonik() {a=4; b=5; count++;}
            Pravougaonik(double aa=4, double bb=5) {a=aa; b=bb; count++;}
            Pravougaonik(const Pravougaonik &pr) {a=pr.a; b=pr.b; count++;}
            ~Pravougaonik() {count--;}
            int getId()const {return id;}
            int getCount()const {return count;}
            double getA()const {return a;}
            double getB()const {return b;}
            double getO()const {return 2*(a+b);}
            double getP()const {return a*b;}
};

class Kvadrat: public Pravougaonik{
    private:
        static int id;
        static int count;
    public:
        Kvadrat(): Pravougaonik(2,2) {count++;}
        Kvadrat(double aa=1): Pravougaonik(aa,aa) {count++;}
        Kvadrat(const Kvadrat &kv): Pravougaonik((Pravougaonik)kv) {count++;}
        ~Kvadrat(){count--;}
        int getId()const {return id;}
        int getCount()const {return count;}


};
#endif

#include "figura.hpp"

int Figura:: count=0;
int Figura:: id=0;
int Trougao:: count=0;
int Trougao:: id=1;
int Pravougaonik:: count=0;
int Pravougaonik:: id=2;
int Jednakostranicni:: count=0;
int Jednakostranicni:: id=3;
int Kvadrat:: count=0;
int Kvadrat:: id=4;

//kreirati apstraktnu klasu figura, i iz nje izvesti klase trougao i pravougaonik
//iz trougla izvesti jednakostranicni, iz pravougaonika kvadrat

#include "figura.hpp"

void printResult(const Figura &fig) {
    cout<<"Figura je: ";
    switch(fig.getId()) {
    case 0: cout<<"Figura!"<<endl; break;
    case 1: cout<<"Trougao!"<<endl; break;
    case 2: cout<<"Pravougaonik!"<<endl; break;
    case 3: cout<<"Jednakostranicni trougao!"<<endl; break;
    case 4:cout<<"Kvadrat!"<<endl; break;
}

    cout<<"Obim: "<<fig.getO()<<endl;
    cout<<"Povrsina: "<< fig.getP()<<endl;
    cout<<"Broj aktuelnih objekata je "<<fig.getCount()<<". "<<endl;
}



int main(){
Trougao tr(3,4,5);
Pravougaonik pr1(4,5), pr2(10,15);
Jednakostranicni jdn1(6), jdn2(8);
Kvadrat kv1(10), kv2(8);

printResult(tr);
printResult(pr1);
printResult(pr2);
printResult(jdn1);
printResult(jdn2);
printResult(kv1);
printResult(kv2);

return 0;
}